| Property, Plant and Equipment |
| | | | | | | Useful Lives in
Years | | Buildings | 20 | | Leasehold improvements | 1 to 20 | | Manufacturing equipment | 7 to 10 | | Computer equipment | 3 to 7 | | Solar power systems | 30 | | Furniture and fixtures | 3 to 5 |
Property, Plant and Equipment, Net | | | | | | | | | | | | | As of | | (In thousands) | December 31, 2023 | | January 1, 2023 | | Manufacturing equipment | $ | 185,536 | | | $ | 300,089 | | | Land and buildings | 148,808 | | | 151,763 | | | Leasehold improvements | 85,536 | | | 89,215 | | | Solar power systems | 1,318 | | | 1,300 | | | Computer equipment | 49,220 | | | 39,011 | | | Furniture and fixtures | 1,321 | | | 1,378 | | | Construction-in-process | 22,000 | | | 15,786 | | | Property, plant and equipment, gross | 493,739 | | | 598,542 | | | Less: accumulated depreciation | (213,714) | | | (218,074) | | | Property, plant and equipment, net | $ | 280,025 | | | $ | 380,468 | |
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| Schedule of Finite-Lived Intangible Assets |
Definite-lived intangible assets are amortized using the straight-line method over the estimated useful lives of the intangible assets as follows: | | | | | | | Useful Lives in
Years | | Patents | 12 | | Trademarks | 2 to 7 | | Customers relationship | 4 | | Purchased technology | 1 to 7 |
Intangible Assets, Net | | | | | | | | | | | | | | | | | | | (In thousands) | Gross | | Accumulated
Amortization | | Net | As of December 31, 2023 | | | | | | Customer relationship | $ | 2,600 | | | $ | — | | | $ | 2,600 | | Trademarks and purchased technology | 2,961 | | | (2,209) | | | 752 | | Total | $ | 5,561 | | | $ | (2,209) | | | $ | 3,352 | | | | | | | | As of January 1, 2023 | | | | | | Trademarks and purchased technology | $ | 2,305 | | | $ | (2,014) | | | $ | 291 | |
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